—Bill, what if your parents go out?
—They ask me to _______ myself.
A:look after
B:look up
C:look for
D:look through
如图所示是几种声音输入到示波器上时显示的波形,其中音调相同的是 ____;响度相同的是 ____
甘地是印度现代民族解放运动的著名领袖,是“甘地主义”的创始人,下列对甘地的评价不正确的是( )